import streamlit as st

page1 = st.Page('pages/writeback1.py', title='Excel文件解析1') 
page2 = st.Page('pages/writeback2.py', title='Excel文件解析2') 
page3 = st.Page('pages/writeback3.py', title='Excel文件解析3',) 

pg = st.navigation([page1,page2,page3])
pg.run()